egg cell

An egg cell cannot develop into a new life by itself .

卵细胞不能独自衍生成一个新的生命。

Human egg cell divided two kinds of circular and oval .

人的卵细胞分圆形和椭圆形二种。

The egg cell appeared to be an active cell .

卵细胞似是一个活跃的细胞。

The vaccine works by blocking male sperm cell from joining female egg cell .

疫苗阻断雄鼠精细胞同雌鼠卵细胞结合。

The largest cell in the human body is the female ovum , or egg cell .

人体中最大的细胞是女性卵子，或卵细胞。

The egg cell was fertilized in 24 hours after pollination .

授粉后18~21h，精子和卵细胞开始融合，24h后形成一个核仁的受精卵；

Antibody to nuclear of egg cell

抗卵细胞核抗体的研究

Sure , a fertilized egg cell as it divides makes every kind of cell in the human body .

当然可以，人体中的一个受精卵细胞在分裂的时候会产生很多种不同的细胞。

Creation by the union of sperm or pollen with an animal or plant or egg cell .

花粉和植物或精子与卵子相结合的行为或过程。

To bypass this impediment an almost mature egg cell is removed surgically .

为了克服这一障碍，通过手术，取出一个差不多成熟的卵细胞。

The results obtained show that embryos probably derive from the cells combined by egg cell and synergid .

结果表明，胚可能起源于卵细胞和一个助细胞融合所形成的细胞。

The mature egg cell was an inactive cell with only a few polysomes .

结果如下：在成熟卵细胞中多聚核糖体数量不多，且细胞代谢活性较弱；

The fusion of sperm nucleus with the polar nucleus is faster than that with the egg cell .

精子与次生核的融合比与卵核的融合快。

Two polar nucleus fused into the secondary nucleus , and located near the chalazal end of egg cell ;

极核融合为次生核，并位于卵细胞合点端附近；

2 to 3 hours after flowering , two sperms move to egg cell and the polar nucleus , respectively .

开花后2～3h，2个精子分别移向卵细胞与极核。

Changes of plastids mitochondria and their DNA in the egg cell before and after fertilization in Pharbitis

牵牛花受精前后卵细胞质体和线粒体及其细胞质DNA的变化

Before pollination there are lots of ultrashort actin bundles gather in the cortex of the egg cell .

卵细胞中的微丝骨架在授粉前厉有较大的变化，授粉前有许多极短的微丝束分布于卵细胞的表层；

The nucleus of an egg cell was removed and replaced with the nucleus from a cell of the animal to be cloned .

就是将卵细胞的细胞核去除，然后用预备克隆的动物的细胞核取而代之。

The mature female gametophyte comprise four cells ( an egg cell , two synergids and a uninucleate central cell ) .

成熟雌配子体由4细胞组成，即2助细胞，1卵细胞和1中央细胞。

All it takes is for the original virus to have copied its instructions into the DNA of a sperm or an egg cell .

它所做的一切就源自最初的病毒将其遗传指令复制到一个精子或一个卵子的DNA中。

Effects of 17 α methyltestosterone on sex reversal in Epinephelus akaara : observation of degenerative process in egg cell

17α-甲基睾酮对赤点石斑鱼性逆转的影响：卵细胞退化过程的观察

The fusion between the male nucleus and the egg cell was slower than the fusion between the male nucleus and the polar nucleus .

精卵融合速度慢于精子与极核的融合。

The pollen tube destroys a synergid and release two sperms on one side of the egg cell about 108 hours after pollination .

授粉后约108小时左右花粉管破坏一个助细胞，将两个精子释放在卵细胞一侧。

One of the sperm fused with egg cell and the second was migrating to the two polar nuclei of central cell at 50 m a p.

50分钟，一精子先与卵细胞融合，另一精子移向中央细胞的二极核；

The cytoplasm of the egg cell is mainly located at its chalazal portion in which the organelles are inactive .

细胞质主要分布在合点端，细胞器呈不活跃状态。

Cytoplasmic nucleoids in the generative cell , sperm cell and egg cell of Calystegia hederacea

打碗花生殖细胞、精细胞及卵细胞中的细胞质类核

Ubi-GUS expression in pollen , egg cell and T1 immature embryos revealed that this promoter was active in early stages of plant development .

Ubi：GUS在花粉、卵细胞和T1代转基因植株未成熟胚中的表达显示该启动子在植株发育的早期阶段即具有活性。

Normally , 1-3 nucellar cells developed into mature aposporous embryo sacs characterized by 1 egg cell and 2 polar nuclei .

成熟无孢子生殖胚囊一般3核，包括1个卵细胞和2个极核。

Venter The swollen base of an archegonium that contains the egg cell ( oosphere ) .

颈卵器）腹部：颈卵器内含有卵细胞（卵球）而向外膨大的基部。

In humans , these two sets are held in a sperm cell and an egg cell , each of which holds a random sample of the parents ' DNA .

对于人类，这两套DNA分别位于精细胞和卵细胞中，其中每一套都是从父母那里随机取出来的一部分DNA。